平欧杂种榛在定西地区的引种表现

Introduction Performance of Hybrid Hazelnut in Dingxi Area

2017—2020年,对甘肃定西地区引种的13个平欧杂种榛品系(种)进行引种栽植试验,观察其适应性、物候期、生长性状和果实经济性状。结果表明:平欧杂种榛具有较强的适应性,萌芽期在4月中旬,落叶期在10月下旬,越冬后无冻害及抽条的现象,3年生树高147.8~162.8 cm,冠径35.9~39.3 cm;结果早,3年生单株产量6.6~34.4 kg,坚果单果重2.10~2.82 g,出仁率36%~48%。经济性状较好的为辽榛7号、平欧21号和辽榛3号,可作本地区主栽品种大面积繁殖推广。

From 2017 to 2020,13 hazelnut strains(species)introduced from Dingxi Area,were planted to observe the adaptability,phenological period,growth characteristics and economic characteristics of its fruit.The results show Ping’ou hybrid hazelnut had strong adaptability.The Germination period was in the middle of April,the defoliation period was in the late of October.After overwintering,there was no freeze injury and shoot.The height of the three-year-old tree was 147.8~162.8 cm,the crown diameter was 35.9~39.3 cm,3 year old single plant yield 6.6~34.4 kg,single nut fruit weight 2.10~2.82 g,kernel yield 36%~48%.The better economic characteristics are Liao Hazelnut No.7,Ping’ou No.21 and Liao Hazelnut No.3,which could be used as the main cultivars for large area propagation and promotion in the area.